linux-kernel - Re: I give up

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Date:	Wed, 11 Apr 2007 11:12:19 -0400 (EDT)
From:	"John Anthony Kazos Jr." <jakj@...-k-j.com>
To:	Phillip Susi <psusi@....rr.com>
cc:	Gene Heskett <gene.heskett@...il.com>,
	linux-kernel@...r.kernel.org, Olaf Hering <olaf@...fle.de>,
	Dave Dillow <dave@...dillows.org>,
	Dave Jones <davej@...hat.com>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	"H. Peter Anvin" <hpa@...or.com>, Jeff Garzik <jeff@...zik.org>
Subject: Re: I give up

> > I violently agree on that point, but the limited conversations I've had with
> > the tar maintainer so far indicates that AFAHIC, its linux that's broken.  A
> > new device number is a new disk and must be treated as such.
> 
> Sumbit a patch adding an option to ignore the device number, and slap him
> around a bit with a large trout ;)

I think that's especially true. If a user begins with a single full disk 
for their entire filesystem, uses tar to backup, and then later adds a 
second disk, copies everything from /usr and /home onto partitions there 
(making sure to preserve all interesting bits like ctime/mtime), and 
mounts them over the original directories, tar should not decide that 
every file in /usr and /home was deleted and recreated.
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